51439990

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{19861}}^1$

素因数の和:19912

約数の個数: 32

約数和(自身を含む): 108684864

約数和(自身を除く): 57244874

約数列:

[1, 2, 5, 7, 10, 14, 35, 37, 70, 74, 185, 259, 370, 518, 1295, 2590, 19861, 39722, 99305, 139027, 198610, 278054, 695135, 734857, 1390270, 1469714, 3674285, 5143999, 7348570, 10287998, 25719995, 51439990]

約数ペア:

[(1, 51439990), (2, 25719995), (5, 10287998), (7, 7348570), (10, 5143999), (14, 3674285), (35, 1469714), (37, 1390270), (70, 734857), (74, 695135), (185, 278054), (259, 198610), (370, 139027), (518, 99305), (1295, 39722), (2590, 19861)]